Selected Consolidated Financial Statement Information (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Accounts Receivable
Accounts receivable	$ 23,507	$ 21,834
Less: Allowance for doubtful accounts	(1,131)	(451)
Total accounts receivable	22,376	21,383
Inventories
Raw materials	7,899	5,879
Work in process	913	855
Finished goods	5,832	6,156
Total inventories	14,644	12,890
Property and Equipment
Land	500	500
Equipment	6,820	6,436
Furniture	626	626
Leasehold improvements	233	233
Construction in progress	17,424	11,499
Property and equipment, gross	25,603	19,294
Less: Accumulated depreciation	(4,365)	(3,997)
Total property and equipment, net	21,238	15,297
Accrued Expenses
Salaries and bonus	3,925	5,244
Commissions	4,402	6,069
Accrued vacation	3,022	2,843
Other	1,270	474
Total accrued expenses	12,619	14,630
Building
Property, Plant and Equipment [Line Items]
Amount to be held in escrow	$ 9,128
New Brighton, Minnesota | Building
Property, Plant and Equipment [Line Items]
Area of real estate property (in square feet)	125,000.0
Capacity of new building (number of employees)	500